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Internet Survey of Japanese Patients With Chronic Constipation: Focus on Correlations Between Sleep Quality, Symptom Severity, and Quality of Life

Yamamoto S, Kawamura Y, Yamamoto K, Yamaguchi Y, Tamura Y, Izawa S, Nakagawa H, Wakita Y, Hijikata Y, Ebi M, Funaki Y, Ohashi W, Ogasawara N, Sasaki M, Maekawa M, Kasugai K

  • KMID: 2521164
  • J Neurogastroenterol Motil.
  • 2021 Oct;27(4):602-611.
  • doi: 10.5056/jnm20135
Background/Aims Chronic constipation and lifestyle factors can affect sleep quality. We evaluated the relationship between chronic constipation and sleep in the Japanese population. Methods This cross-sectional internet-based survey included 3000 subjects with constipation,...
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Reduced Intravenous Fluorescein Dose for Upper and Lower Gastrointestinal Tract Probe-Based Confocal Laser Endomicroscopy

Inoki K, Abe S, Tanaka Y, Yamamoto K, Hihara D, Ichijima R, Nakatani Y, Chen H, Takamaru H, Sekiguchi M, Yamada M, Sakamoto T, Nonaka S, Suzuki H, Yoshinaga S, Oda I, Matsuda T, Saito Y

Background/Aims: Probe-based confocal laser endomicroscopy (pCLE) requires the administration of intravenous (IV) fluorescein. This study aimed to determine the optimal dose of IV fluorescein for both upper and lower gastrointestinal...
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Utility of the Gel Immersion Method for Treating Massive Colonic Diverticular Bleeding

Yamamoto K, Shiratori Y, Ikeya T

Background/Aims: In Asia, right-sided diverticular bleeding is more common than that of the left side. It often causes massive bleeding and difficulties in identifying the stigmata of recent hemorrhage (SRH)...
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Recent developments in endoscopic ultrasonography-guided gastroenterostomy

Yamamoto K, Itoi T

Gastric outlet obstruction (GOO) can be caused by benign and malignant diseases. GOO often leads to a decreased quality of life, because of nausea, vomiting, and problems with oral food...
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Effectiveness of Underwater Endoscopic Submucosal Dissection for a Superficial Cervical Esophageal Cancer

Sasaki S, Nishikawa J, Yamamoto K, Sakaida I

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Low Iodine Dose is Related with Overestimation of Extracellular Volume Derived from Cardiac CT

Arakawa H, Tomizawa N, Chou S, Matsuoka S, Yamamoto K, Inoh S, Nojo T, Kumamaru KK, Fujimoto S, Nakamura S

Objective: To assess the relationship between the amount of injected contrast medium and the extracellular volume (ECV) value during cardiac CT and to propose a minimum amount of contrast medium...
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Optimizing Contrast Medium Injection for Coronary CT Angiography Using Myocardial CT Perfusion Data

Tomizawa N, Chou S, Matsuoka S, Yamamoto K, Inoh S, Nojo T, Kumamaru K, Fujimoto S, Nakamura S

OBJECTIVE: To derive and validate a formula to predict the optimal amount of contrast medium for coronary CT angiography (CTA) from CT perfusion (CTP) data during comprehensive cardiac CT. MATERIALS AND...
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Long-term prognosis of Japanese patients with biologic-naïve Crohn’s disease treated with anti-tumor necrosis factor-α antibodies

Moroi R, Endo K, Yamamoto K, Naito T, Onodera M, Kuroha M, Kanazawa Y, Kimura T, Kakuta Y, Masamune A, Kinouchi Y, Shimosegawa T

BACKGROUND/AIMS: Few reports have described the long-term treatment outcomes of the anti-tumor necrosis factor-α antibody for Japanese Crohn’s disease (CD) patients. The aim of this study was to evaluate them...
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Postoperative Radiographic Early-Onset Adjacent Segment Degeneration after Single-Level L4–L5 Posterior Lumbar Interbody Fusion in Patients without Preoperative Severe Sagittal Spinal Imbalance

Matsuoka Y, Endo K, Suzuki H, Sawaji Y, Nishimura , Takamatsu , Kojima O, Murata K, Seki T, Horie S, Konishi T, Yamamoto K

STUDY DESIGN: Retrospective study. PURPOSE: To investigate the relationship between preoperative total spinal sagittal alignment and the early onset of adjacent segment degeneration (ASD) after single-level posterior lumbar interbody fusion (PLIF)...
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Effects of implant tilting and the loading direction on the displacement and micromotion of immediately loaded implants: an in vitro experiment and finite element analysis

Sugiura T, Yamamoto K, Horita S, Murakami K, Tsutsumi S, Kirita T

PURPOSE: The purpose of this study was to investigate the effects of implant tilting and the loading direction on the displacement and micromotion (relative displacement between the implant and bone)...
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Rapid On-Site Evaluation by Endosonographers during Endoscopic Ultrasonography-Guided Fine-Needle Aspiration for Diagnosis of Gastrointestinal Stromal Tumors

Tamura T, Yamashita , Ueda K, Kawaji Y, Itonaga M, Murata SI, Yamamoto K, Yoshida T, Maeda H, Maekita T, Iguchi M, Tamai H, Ichinose M, Kato J

BACKGROUND/AIMS: Endoscopic ultrasonography-guided fine-needle aspiration (EUS-FNA) has been used to diagnose gastrointestinal submucosal tumors (SMTs). Although rapid on-site evaluation (ROSE) has been reported to improve the diagnostic accuracy of EUS-FNA...
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A Case of Primary Cutaneous Gamma-Delta T-Cell Lymphoma with Pautrier Microabscess

Kato K, Namiki T, Ueno M, Iikawa M, Tokoro S, Nishizawa , Yamamoto K, Miura K, Yokozeki H

No abstract available.
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Double-Orifice Tricuspid Valve Visualized by Three-Dimensional Transthoracic Echocardiography

Obase K, Addetia K, Takahashi , Yamamoto K, Kawamura A, Tamada T, Imai K, Uemura S

No abstract available.
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The effects of bone density and crestal cortical bone thickness on micromotion and peri-implant bone strain distribution in an immediately loaded implant: a nonlinear finite element analysis

Sugiura T, Yamamoto K, Horita S, Murakami K, Tsutsumi S, Kirita T

PURPOSE: This study investigated the effects of bone density and crestal cortical bone thickness at the implant-placement site on micromotion (relative displacement between the implant and bone) and the peri-implant...
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Upper Gastrointestinal Symptoms Are More Frequent in Female than Male Young Healthy Japanese Volunteers as Evaluated by Questionnaire

Kawakubo H, Tanaka Y, Tsuruoka N, Hara M, Yamamoto K, Hidaka H, Sakata Y, Shimoda R, Iwakiri R, Kusano M, Fujimoto K

  • KMID: 2203578
  • J Neurogastroenterol Motil.
  • 2016 Apr;22(2):248-253.
  • doi: 10.5056/jnm15140
BACKGROUND/AIMS: Upper gastrointestinal symptoms are more frequent and severe in female than in male outpatients in Japan. This study compared the upper gastrointestinal symptoms between healthy male and female young...
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Analysis of Risk Factors for Colonic Diverticular Bleeding: A Matched Case-Control Study

Sugihara Y, Kudo SE, Miyachi H, Misawa M, Okoshi S, Okada H, Yamamoto K

BACKGROUND/AIMS: Diverticular bleeding can occasionally cause massive bleeding that requires urgent colonoscopy (CS) and treatment. The aim of this study was to identify significant risk factors for colonic diverticular hemorrhage. METHODS:...
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Does Helicobacter pylori Exacerbate Gastric Mucosal Injury in Users of Nonsteroidal Anti-Inflammatory Drugs? A Multicenter, Retrospective, Case-Control Study

Kono Y, Okada H, Takenaka R, Miura K, Kanzaki H, Hori K, Kita M, Tsuzuki T, Kawano S, Kawahara Y, Yamamoto K

BACKGROUND/AIMS: The interaction between nonsteroidal anti-inflammatory drugs (NSAIDs) and Helicobacter pylori remains controversial. We retrospectively investigated whether H. pylori infection exacerbates severe gastric mucosal injury among chronic NSAID users. METHODS: From...
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Gait Analysis in Cervical Spondylotic Myelopathy

Nishimura , Endo K, Suzuki H, Tanaka H, Shishido T, Yamamoto K

STUDY DESIGN: Gait analysis of patients with cervical spondylotic myelopathy (CSM) by using a sheet-type gait analysis system. PURPOSE: The aim of this study was to compare the gait patterns of...
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Kinematic Analysis of the Cervical Cord and Cervical Canal by Dynamic Neck Motion

Endo K, Suzuki H, Nishimura , Tanaka H, Shishido T, Yamamoto K

STUDY DESIGN: Normal cervical sagittal length patterns were measured by magnetic resonance imaging (MRI). PURPOSE: The aim of this study was to evaluate the relationship of sagittal length patterns between the...
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Characteristics of Sagittal Spino-Pelvic Alignment in Japanese Young Adults

Endo K, Suzuki H, Nishimura , Tanaka H, Shishido T, Yamamoto K

STUDY DESIGN: Radiological analysis of normal patterns of sagittal alignment of the spine. PURPOSE: This study aimed to clarify the characteristics of normal sagittal spino-pelvic alignment in Asian people. OVERVIEW OF LITERATURE:...
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